bind some error constants conditionally for 0.9.8e support
bind some error constants conditionally for 0.9.8e support

Ayrx/cryptography,bwhmather/cryptography,dstufft/cryptography,sholsapp/cryptography,dstufft/cryptography,skeuomorf/cryptography,Ayrx/cryptography,bwhmather/cryptography,kimvais/cryptography,dstufft/cryptography,kimvais/cryptography,kimvais/cryptography,dstufft/cryptography,sholsapp/cryptography,sholsapp/cryptography,bwhmather/cryptography,dstufft/cryptography,sholsapp/cryptography,Ayrx/cryptography,skeuomorf/cryptography,bwhmather/cryptography,Lukasa/cryptography,Lukasa/cryptography,Hasimir/cryptography,Hasimir/cryptography,Hasimir/cryptography,skeuomorf/cryptography,Lukasa/cryptography,kimvais/cryptography,Hasimir/cryptography,skeuomorf/cryptography,Ayrx/cryptography